Three vessels contain alcoholic solutions with the concentrations of alcohol as 0.35, 0.25, and 0.20 respectively. 2 L from the first 12 L from second and 5 L from the third are mixed. What is the ratio of alcohol and water in the resultant mixture?
1
47 : 143
2
47 : 190
3
190 : 47
4
143 : 47